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Finding the Fourth Proportional to 266,970.20, 368,294.40 and 153,727.32

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Solution

The fourth proportional to 266,970.20, 368,294.40 and 153,727.32 is: 212,072.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,970.20 : 368,294.40 = 153,727.32 : x
  2. Step 2: Convert to fraction form
    266,970.20/368,294.40 = 153,727.32/x
  3. Step 3: Cross multiply
    266,970.20x = 368,294.40 × 153,727.32
  4. Step 4: Simplify right side
    266,970.20x = 56,616,911,083.01
  5. Step 5: Solve for x
    x = 56,616,911,083.01/266,970.20
  6. Step 6: Final answer
    x = 212,072.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.